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8158B — OPTICAL ATTENUATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8158B: OPTICAL ATTENUATOR.

The OPTICAL ATTENUATOR is a the manufacturer optical transceiver module designed for high-speed data center interconnects. This part is cataloged in the U.S. Government catalog under NSN 4510-01-051-0700, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
8158B
NSN: 4510-01-051-0700
NIINs: 010510700, 014137034
FSC: 4510 — Plumbing Fixtures and Accessories
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
Part Number8158B
NSN4510-01-051-0700
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OPTICAL ATTENUATOR TITLE COMPONENT PN 8158B MFR OPTICAL ATTENUATOR
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
SUBSTITUTES & CROSS-REFERENCES 6
228303BA PIECE 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
228303BAReference document
Same NSN cross-reference
Reference document — Drawing number reference only
PL-200138R PIECE 232Reference document
Same NSN cross-reference
Reference document — Secondary reference
3/4CMB12001Reference document
Same NSN cross-reference
Reference document — Secondary reference
228303BA1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3-4 CMB-120Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8158B?
8158B is a OPTICAL ATTENUATOR.
What parts can replace 8158B?
There are 6 known substitutes for 8158B: 228303BA PIECE 1, 228303BA, PL-200138R PIECE 232 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8158B?
8158B is cataloged in the U.S. Government catalog under NSN 4510-01-051-0700. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.